3:32 Nightcore - The Only Thing I Know For Real | (lyrics) 2:22 Nightcore - The Only Thing I Know for Real 3:55 The Only Thing I Know For Real | Metal Gear Rising | Cover by GO!! Light Up! 3:22 Nightcore | The Only Thing I Know For Real | Metal Gear Rising 4:44 The only thing I know for real - Nightcore 2:02 The only thing I know for real - Nightcore 4:07 (Nightcore) The Only Thing i Know For Real - Sam Jetstream Ost 9:54 The only Thing I know for real - Lass 1:59 Nightcore - The only thing I know for real 2:21 Nightcore - Metal Gear Rising - The Only Thing I Know For Real 4:41 The Only Thing I Know For Real - (sped up+reverb) 2:10 [Nightcore] The Only Thing I Know For Real (METAL GEAR RISING REVENGEANCE) 3:20 The Only Thing I Know For Real - Dragon Dual Mix (Original + Little V) 2:27 Metal Gear Rising - The Only Thing I Know For Real (Cover by Little V) 1:30 \"The Only Thing I Know For Real\" but I animated it (metal gear rising) 3:19 ღ [HD] Nightcore - The only thing I know for real ღ【Request】 3:29 The Only Thing I Know For Real - Traditional Japanese Version 5:20 Metal Gear Rising: Revengeance - The Only Thing I Know For Real *New Extended* 9:14 Metal Gear Rising: Revengeance - The Only Thing I Know For Real (Alternative Edit)